8193890012 has 48 divisors (see below), whose sum is σ = 17884914432. Its totient is φ = 3191114880.

The previous prime is 8193889981. The next prime is 8193890017. The reversal of 8193890012 is 2100983918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8193890017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1127663 + ... + 1134905.

It is an arithmetic number, because the mean of its divisors is an integer number (372602384).

Almost surely, 2^8193890012 is an apocalyptic number.

It is an amenable number.

8193890012 is an abundant number, since it is smaller than the sum of its proper divisors (9691024420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8193890012 is a wasteful number, since it uses less digits than its factorization.

8193890012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10938 (or 10936 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 8193890012 is about 90520.1083295861. The cubic root of 8193890012 is about 2016.0286982430.

The spelling of 8193890012 in words is "eight billion, one hundred ninety-three million, eight hundred ninety thousand, twelve".